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Finding the Fourth Proportional to 60,315.12, 90,479.70 and 22,903.20

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Solution

The fourth proportional to 60,315.12, 90,479.70 and 22,903.20 is: 34,357.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,315.12 : 90,479.70 = 22,903.20 : x
  2. Step 2: Convert to fraction form
    60,315.12/90,479.70 = 22,903.20/x
  3. Step 3: Cross multiply
    60,315.12x = 90,479.70 × 22,903.20
  4. Step 4: Simplify right side
    60,315.12x = 2,072,274,665.04
  5. Step 5: Solve for x
    x = 2,072,274,665.04/60,315.12
  6. Step 6: Final answer
    x = 34,357.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.